# encoding: UTF-8
#
# Author:: Xabier de Zuazo (<xabier@zuazo.org>)
# Copyright:: Copyright (c) 2015 Xabier de Zuazo
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require 'dockerspec/docker_gem'

module Dockerspec
  #
  # Some generic helpers for {Dockerspec} classes.
  #
  module Helper
    #
    # Some helper methods to get information of the Docker environment in the
    # system.
    #
    module Docker
      #
      # Detects if we are using the Docker LXC execution driver.
      #
      # @return [Boolean] `true` if we are using the LXC driver.
      #
      # @api public
      #
      def self.lxc_execution_driver?
        ::Docker.info['ExecutionDriver'].start_with?('lxc')
      end
    end
  end
end
